Abstract
Field experiment with winter oilseed rape cultivation was carried out in 2007- -2009. The subject of this study was analysis of weed infestation of winter oilseed rape canopy and seed yield depending on the rate of soil NPK fertilization and foliar application (autumn spraying with solution): 100% and 75% NPK and urea + nickel chelate + MgSO4H2O; 100% and 75% NPK, as well as urea + Plonvit R + MgSO4H2O). The control was plots without foliar fertilization (only 100% NPK). Foliar sprayings were carried out as a single rate in autumn between 10 th and 20 th of October. The second experimental factor was seed sowing rate (2.5 kg·ha -1 - row spacing 30 cm; 4 kg·ha -1 - row spacing 18 cm). It was found that foliar fertilization of winter oilseed rape in the autumn period contributes to a reduction in quantitative indexes of weed infestation and an increase in seed yield. Application of foliar fertilizers allows for reduction in rates of the basic mineral fertilizers NPK by ¼. From the point of view of production it is justified to reduce the seed sowing rate (2.5 kg·ha -1 ), since the weed infestation and yield of winter oilseed rape did not differ significantly from the parameters observed under conditions of larger sowing density.
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Claims 5
Claim · model-written summary
Autumn foliar fertilization of winter oilseed rape reduced quantitative indexes of weed infestation.
- Taxon
- winter oilseed rape
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napuse0 - Treatment
- foliar fertilizatione0
- Outcome
- quantitative indexes of weed infestatione0
- Direction
- reductione0
- Qualifier
- in the autumn periode0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
t0“winter oilseed rape”
e0“foliar fertilization of winter oilseed rape in the autumn period contributes to a reduction in quantitative indexes of weed infestation and an increase in seed yield”
Claim · model-written summary
Autumn foliar fertilization of winter oilseed rape increased seed yield.
- Taxon
- winter oilseed rapeBrassica napuse0
- Treatment
- foliar fertilizatione0
- Outcome
- seed yielde0
- Direction
- increasee0
- Qualifier
- in the autumn periode0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter oilseed rape”
e0“foliar fertilization of winter oilseed rape in the autumn period contributes to a reduction in quantitative indexes of weed infestation and an increase in seed yield”
Claim · model-written summary
Foliar fertilizers allow the rates of basic mineral NPK fertilizers to be reduced by one quarter.
- Taxon
- winter oilseed rapeBrassica napust0
- Outcome
- reduction in rates of the basic mineral fertilizers NPKe0
- Value
- ¼e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter oilseed rape”
e0“Application of foliar fertilizers allows for reduction in rates of the basic mineral fertilizers NPK by ¼”
Claim · model-written summary
Weed infestation and yield of winter oilseed rape at the lower sowing rate did not differ significantly from those at the larger sowing density.
- Taxon
- winter oilseed rapeBrassica napuse0
- Treatment
- seed sowing ratee1
- Outcome
- weed infestation and yielde0
- Direction
- did not differ significantlye0
- Comparator
- larger sowing densitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter oilseed rape”
e0“the weed infestation and yield of winter oilseed rape did not differ significantly from the parameters observed under conditions of larger sowing density”
e1“reduce the seed sowing rate”
Claim · model-written summary
Reducing the seed sowing rate (2.5 kg/ha) is justified from a production viewpoint.
- Taxon
- winter oilseed rapeBrassica napust0
- Outcome
- reduce the seed sowing ratee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter oilseed rape”
e0“it is justified to reduce the seed sowing rate”
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